Mio Kimishima, the beautiful teacher in a den of delinquent students GVH-373

Mio Kimishima is a popular and earnest new teacher. One day, a student named Masao is called to the staff room to warn her about his behavior. He secretly takes photos of female students during class and frequently acts violently towards others in the classroom. The next day, Masao doesn't come to class, and Mio, worried about him...